Oviond

Update static value widget

update_static_value_widget

Set the value on a Static Value widget — a number, an amount like "R50", or free text like "Active". It has no datasource and never fetches, so the value is shown exactly as passed.

Input Schema

TableJSON Schema

Name	Required	Description
`id`	Yes	Widget ID (from list_widgets).
`name`	No	Label shown above the value.
`value`	Yes	The value to display.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`data`	No	The widget as saved, holding the value inline. Nothing is fetched, so it is already showing what you passed.
`success`	Yes	True when the call succeeded. A failure comes back as an error result instead.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 18, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "data": {
+      "additionalProperties": {},
+      "description": "The widget as saved, holding the value inline. Nothing is fetched, so it is already showing what you passed.",
+      "type": "object"
+    },
+    "success": {
+      "description": "True when the call succeeded. A failure comes back as an error result instead.",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "success"
+  ],
+  "type": "object"
+}

First observedSep 18, 2026

TDQS

A4.4/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

注解仅表示非只读且非破坏性。描述补充了关键行为：小部件从不获取数据，并且值按原样显示。这为代理提供了超出注解的有用行为信息，但未涉及权限或副作用。

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

描述仅两句话，第一句说明操作和对象，第二句提供关键行为上下文。没有冗余，信息密度高。

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

对于一个小型更新操作，描述涵盖了核心功能和行为。架构中已包含id来源和参数描述，输出模式存在。缺少的是与替代工具的明确对比，但整体足够完整。

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

虽然架构已覆盖所有参数，但描述通过示例（数字、金额'R50'、文本'Active'）为'value'参数增加了语义，并确认了'name'是标签。这有助于代理理解可接受的值格式，尽管架构已提供基础描述。

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

描述以明确的动词'Set the value'和资源'Static Value widget'开头，并澄清了该小部件没有数据源且从不获取数据，从而与其他小部件类型区分开来。这为代理提供了清晰的目标和范围。

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

描述通过说明没有数据源且从不获取来确定使用上下文，暗示此工具用于显示固定值，而不是基于数据的小部件。它没有明确命名替代品，但提供了足够的上下文，让代理可以推断何时使用它。

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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